ACIO Ovulation Calendar - Version 2.7.12 ACIO Ovulation Calender is an easy-to-use precise ovulation calculator of menstrual cycles,firtility, ovulations. It can help you to achieve or avoid or achieve conception, or even predict baby]s gender. ACIO Ovulation Calendar helps you use a natural contraception method. It displays the fertile days, days of ovulation and predicts your baby's gender. The results are presented as a color-coded menstrual calendar.Want to conceive a baby?You you have most chances to conceive when you are ovulating, so if you know the date of ovulation, this will help to find the best time to conceive. Conception chart shows the chances of getting pregnant based on your ovulation date and other factors such as the life span of the egg and sperm.Want to avoid pregnancy?